Step-by-step explanation:
Evelyn: Y=89x + 19
Brenda: Y=87x + 21
Punch in numbers for X until you get the same for both. Remember that X is hours and Y is total. the numbers with no letters is the fixed booking amount. cheers. Good luck :)
A doesn’t equal 100 so probs b
The equation that is not equal to 54x-12 is (12x-3)4
(12x-3)4 equals 48x-12 while the other ones equal 54x-12